Which of the following best describes the relationship between mass and weight?

• A. Mass and weight are the same and can be used interchangeably.

• B. Mass is the amount of matter in an object, while weight is the force of gravity on that object.

• C. Weight is constant everywhere, but mass varies with location.

• D. Mass depends on gravity, whereas weight does not.

A student places a solid object in a graduated cylinder containing water and observes the water level rise. What property of the object is the student measuring?

• A. Mass

• B. Density

• C. Volume

• D. Weight

Which of the following changes is a chemical change?

• A. Ice melting into water

• B. Salt dissolving in water

• C. Iron rusting

• D. Water boiling into steam

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the primary reason a metal spoon feels colder than a wooden spoon at room temperature?

• A. Metal has a higher density than wood.

• B. Metal conducts heat away from your hand faster than wood.

• C. Metal reflects more light than wood.

• D. Metal has a lower specific heat capacity than wood.

Tags

NGSS.MS-PS3-3

Which of the following best explains why a ball thrown horizontally will eventually hit the ground?

• A. The horizontal motion decreases over time.

• B. Gravity acts on the ball, pulling it downward.

• C. Air resistance stops the horizontal motion.

• D. The ball's mass increases as it moves.

Tags

NGSS.MS-PS2-4

A car travels 150 kilometers in 3 hours. What is its average speed?

• A. 50 km/h

• B. 150 km/h

• C. 450 km/h

• D. 30 km/h

Tags

NGSS.MS-PS3-1

Which of the following statements about elements and compounds is true?

• A. Elements can be broken down into simpler substances by chemical means.

• B. Compounds are made up of two or more elements chemically combined.

• C. Compounds have properties identical to the elements that form them.

• D. Elements are composed of compounds mixed together.

Tags

NGSS.MS-PS1-5

What happens to the molecules of a substance as it changes from a liquid to a gas?

• A. They move closer together and slow down.

• B. They move farther apart and speed up.

• C. They remain in a fixed position.

• D. They become electrically charged.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following best describes the law of conservation of mass?

• A. Mass can be created but not destroyed.

• B. Mass can be destroyed but not created.

• C. Mass is neither created nor destroyed in a chemical reaction.

• D. Mass and energy are interchangeable in chemical reactions.

Tags

NGSS.MS-PS1-5

If two objects have the same volume but different masses, which statement is true about their densities?

• The object with the greater mass has a higher density.

• The object with the lesser mass has a higher density.

• Both objects have the same density.

• Density is not related to mass and volume.